WELL · 42-329-35443 · DISTRICT 8
Buchanan 31 #1H
Midland County · Azalea (Devonian) field · Producing · Horizontal
Buchanan 31 #1H (API 42-329-35443) is a horizontal well in Midland County operated by Extex Operating Company, completed May 17, 2006 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 11, 2006, permitted to 11,800 ft.
It was permitted by Eog Resources, Inc. and has since transferred to Extex Operating Company on the wellbore schedule.
Completion filings report 4 formation tops, including Atoka, Mississippian, Woodford, Devonian.
Its lease has reported 22.8K barrels of oil and 909K mcf of gas since May 2006, last reporting in July 2026.
Operator of record
Permitted by EOG Resources, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 117 permits on file · (713) 870-4327
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Extex Operating Company |
| Production reports | Extex Operating Companythrough Oct 2025 |
| Latest permit | EOG Resources, Inc.Jan 11, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,800
- total depth, ft
- 1
- permits on file
- Jan 11, 2006
- last permit issued
- May 17, 2006
- completed
- 22.8K
- cumulative oil, bbl
- 909K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 17, 2006
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Buchanan 31 O-10-37868 | Azalea (Devonian) | Extex Operating Company | 1 | 22.8K | 909K | May 2006 – Jul 2026 |
Gas, mcf lease total
Last 12 months 18,699 · prior 12 13,601(+37%)
Oil, barrels lease total
Last 12 months 347 · prior 12 281(+23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.May 2006 → Sep 2012
- 2Legacy Reserves Operating LPOct 2012 → Jul 2020
- 3Extex Operating CompanyAug 2022 → Oct 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 612256-99 | Drill | EOG Resources, Inc. | Jan 11, 2006 | Jan 11, 2006 | Jan 26, 2006 | 11,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37868 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,701 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Atoka | 11,150 | -8,449 |
| Mississippian | 11,250 | -8,549 |
| Woodford | 11,300 | -8,599 |
| Devonian | 11,400 | -8,699 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,900 | 15,200 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 338 | 17.5 | 375 S |
| 9.625 | 5,125 | 12.25 | 1,650 S |
| 7 | 11,505 | 8.75 | 900 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 9, 2007 | Jun 15, 2006 | Yes |
| 00 | Dec 15, 2006 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-329-35443 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-35443 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/32935443, documented in the API reference.